condition mean min max 4 h after light 4.823863333333334 4.79588 4.8727800000000006 8 h after light 4.746286666666667 4.69857 4.79225 12 h after light 4.72292 4.54864 4.83334 4 h after dark 4.792883333333333 4.75599 4.82003 8 h after dark 4.714119999999999 4.59545 4.81935 12 h after dark 4.8133300000000006 4.77811 4.84564